F16C 33/664
Retaining the liquid in or near the bearing
Official title: {Retaining the liquid in or near the bearing}
F16C33/664 (Retaining the liquid in or near the bearing) appears on 554 US grants and 492 published applications in this corpus.
Search patents in F16C- Granted patents
- 554
- Published applications
- 492
- Assignees
- 224
- Inventors
- 1,079
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 5 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 5 | 0 |
| 1993 | 5 | 0 |
| 1994 | 7 | 0 |
| 1995 | 4 | 0 |
| 1996 | 11 | 0 |
| 1997 | 7 | 0 |
| 1998 | 8 | 0 |
| 1999 | 7 | 0 |
| 2000 | 14 | 0 |
| 2001 | 20 | 5 |
| 2002 | 18 | 21 |
| 2003 | 19 | 19 |
| 2004 | 19 | 18 |
| 2005 | 6 | 10 |
| 2006 | 12 | 19 |
| 2007 | 8 | 14 |
| 2008 | 7 | 20 |
| 2009 | 7 | 15 |
| 2010 | 10 | 18 |
| 2011 | 13 | 13 |
| 2012 | 15 | 15 |
| 2013 | 15 | 18 |
| 2014 | 16 | 24 |
| 2015 | 23 | 40 |
| 2016 | 31 | 32 |
| 2017 | 30 | 43 |
| 2018 | 31 | 27 |
| 2019 | 41 | 18 |
| 2020 | 19 | 23 |
| 2021 | 17 | 21 |
| 2022 | 17 | 18 |
| 2023 | 16 | 10 |
| 2024 | 9 | 11 |
| 2025 | 16 | 10 |
| 2026 | 3 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Lubrication ring for transporting lubricant22 Sep 2026US 12,742,477 B2Sulzer Management AG
- Toroid separator with lubricant channels for ball bearings21 Apr 2026US 12,607,225 B2Aktiebolaget Skf
- Bearing assembly with internal prime-retaining pressurized lubrication system14 Apr 2026US 12,601,375 B2Flowserve Pte. Ltd.
- Drive module for a motor vehicle30 Dec 2025US 12,508,839 B2ZF Friedrichshafen AG
- Low wear toroid separator for ball bearings9 Dec 2025US 12,492,727 B2Aktiebolaget Skf
- Wheel bearing assembly and assembling method10 Sep 2026US 2026/0266333 A1
- Spacer and non-transitory computer-readable storage medium20 Aug 2026US 2026/0243306 A1Thk Co., Ltd.
- Bearing cap with integrated lubrication passage11 Jun 2026US 2026/0160297 A1Schaeffler Technologies AG & Co. KG
- Bearing cage with pockets having radial storage holes28 May 2026US 2026/0146649 A1
- Bearing cage with axial lubricant passages28 May 2026US 2026/0146650 A1
Most cited
By later US patents
- Rolling-contact bearing containing solid lubricant therein116US 7,234,873 B2Nippon Thompson Co., Ltd. · 2007
- Environmentally safe pump including seal93US 5,499,902 AEnvironamics Corporation · 1996
- Rotary wheel-end assembly for tire inflation system82US 4,883,106 AEaton Corporation · 1989
- Drive unit assembly62US 4,227,427 ADana Corporation · 1980
- Vertical type antifriction bearing device61US 4,037,890 AHitachi, Ltd. · 1977